diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dffaccba..ee5bc83c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
         luacov -r lcov
 
     - name: Report to Coveralls
-      uses: coverallsapp/github-action@v1
+      uses: coverallsapp/github-action@v1.0.1
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         path-to-lcov: luacov.report.out
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